[rrd-users] Re: ?subjectþlp->rrdtool 1.0.38 and rrgrapher

Alex van den Bogaerdt alex at ergens.op.HET.NET
Wed Jun 26 00:06:50 MEST 2002

Peter.Janda at manpower.com wrote:
> <RRDs::fetch('/mp/shr/tools/performance/rrd/db/test1.rrd', 'AVERAGE', '-s', 0, '-e', 0):  start time: unparsable time>

I think this is is the equivalent of

rrdtool fetch test1.rrd AVERAGE --start 0 --end 0

If so: there are two problems with this command:
1: You cannot start and end at the same time (there's nothing to graph)
2: 0 could mean several things.

0 is the equivalent of januari 1st 1970 00:00 UTC. (0 seconds since the
epoch).  It might also be (not sure) an abbreviation of "00:00" which
would mean "midnight today".

Use "--start end-24h --end now" and try again.

> I am able to use the built in graph feature of rrdtool to create a .gif. And rrdtool info works just like it should.

That (graph) is strange.  graph and fetch use the same parts of the
program so in theory the same options should produce the same error.

Perhaps there's a discrepancy between RRDs and rrdtool ?

 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
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